
Gilles is now Hargassner

Environmental friendly heating - let's invest in our future
We use sustainable and local resources

Direct from the pioneer of the biomass heating industry
Technical consulting and services:
Directly from the manufacturer.

Remote monitoring of your heating system

Gilles Biomass Heating Ltd
Gilles Biomass Heating Ltd
Biomass Heating System.
CO2 neutral and sustainable for our future.

Technology from Austria
Heating systems for private homes, agriculture, hotels and commercial applications
Top performance
The most modern heating technology from Austria
High annual investments in research and development make GILLES / HARGASSNER boilers a reliable choice. As a family business with a flat hierarchy, we are extremely flexible and quick to respond. Thanks to the close collaboration between sales and product development, our customers’ demands can be implemented quickly. This allows us to design not only specific solutions for large systems, but also impressive features for domestic users.


Direct support with benefits
The manufacturer's know-how
Brochures
Brochures
Read moreService
Service
Read moreBiomass
Biomass
Read moreControl
Control
Read more40 YEARS OF EXPERIENCE
The experience, knowledge and know-how gained through more than 40 years of work has been transformed into the design, engineering and production of state-of-the-art biomass equipment and boilers, and Gilles / Hargassner has become a market leader in innovation.
QUALITY
CONTROL
The quality, functionality, safety as well as the high reliability and longevity of the equipment that Gilles / Hargassner produces are our number one priority. All our products are 100% manufactured in Europe and meet the strictest requirements and European standards.
LET'S KEEP THE ENVIRONMENT CLEAN
With its products and business philosophy, Gilles / Hargassner, together with its customers, contributes to the world's efforts to save energy and preserve the environment. Our products are environmental friendly and promote long-term sustainability.

Products

Pellet Heating
Pellet Heating

Wood Chip Heating
Wood Chip Heating

Commercial Heating
Commercial Heating

Heating Container
Heating Container

Automatisation and Control of Heating Circuits
Automatisation and Control of Heating Circuits
1. Control via Touch display
2. Control of heating circuits
3. Smart Home

Fuel Store Fill Systems
Fuel Store Fill Systems

CHP Power Generating Systems
CHP Power Generating Systems

Solar panels
Solar panels

DHW and Buffer tanks

Combi boiler heating
Combi boiler heating

Wood log boiler
Wood log boiler
Local fuel, CO2 neutral and sustainable for our future
Whether you use wood chips, pellets or logs, using wood – a regenerative source – significantly reduces your CO2 emissions. Regional added value also provides local jobs, unlike fossil fuels and gas. State-of-the-art combustion and control technologies ensure highly efficient and clean combustion.
News

Exhibitions
You can find us at several international and national exhibitions. Due to the current situation there are no participation at exhibitions planned for 2021 until

Gilles is now Hargassner
Customers can expect best Service & Support Biomass-boiler supplier Hargassner from Weng in Upper Austria announced in September 2020 the acquisition of Gilles. The family

Case Studies
Worldwide the biomass heating systems of GILLES / HARGASSNER are in operation. See only a few of our CASE STUDIES.